Write the distance between $x$ and $-3$ using modulus notation. Find all numbers exactly $4$ u

Question

Write the distance between $x$ and $-3$ using modulus notation. Find all numbers exactly $4$ units from $-3$. Explain why $|x+3|=-4$ has no solution.

Accepted Answer

(a) $|x+3|$ (b) $-7 \text{ or } 1$ (c) A distance cannot be negative.

Modulus Function